US10432265B2 - Electronic apparatus and non-transitory computer-readable recording medium for power supply control - Google Patents
Electronic apparatus and non-transitory computer-readable recording medium for power supply control Download PDFInfo
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- US10432265B2 US10432265B2 US15/810,004 US201715810004A US10432265B2 US 10432265 B2 US10432265 B2 US 10432265B2 US 201715810004 A US201715810004 A US 201715810004A US 10432265 B2 US10432265 B2 US 10432265B2
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- power
- supply
- mode
- control unit
- information
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- 230000006870 function Effects 0.000 claims description 26
- 230000004044 response Effects 0.000 claims description 9
- 238000012545 processing Methods 0.000 description 29
- 238000004891 communication Methods 0.000 description 23
- 238000003384 imaging method Methods 0.000 description 8
- 238000007639 printing Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00885—Power supply means, e.g. arrangements for the control of power supply to the apparatus or components thereof
- H04N1/00888—Control thereof
-
- H04B5/0031—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3284—Power saving in printer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
-
- H04M1/7253—
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/44—Secrecy systems
- H04N1/4406—Restricting access, e.g. according to user identity
- H04N1/4413—Restricting access, e.g. according to user identity involving the use of passwords, ID codes or the like, e.g. PIN
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
- H04W12/068—Authentication using credential vaults, e.g. password manager applications or one time password [OTP] applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Definitions
- the present disclosure relates to an electronic apparatus that is suited for power-supply control, and to a non-transitory computer-readable recording medium.
- An image forming apparatus is, for example, a MFP (Multifunction Peripheral) such as a printer, multifunction printer, combination apparatus and the like.
- a wireless tag such as a NFC (near field radio communication) tag may be installed that stores wired or wireless connection information necessary for connecting to a network, apparatus information such as the apparatus name and the like. It is possible for an image forming apparatus to write various kinds of information to or read various kinds of information from a wireless tag, however, a portable terminal such as a smart phone that is equipped with a Reader/Writer function may also be able to write various kinds of information to or read various kinds of information from a wireless tag.
- a apparatus that uses this kind of wireless tag includes a non-contact communication unit that performs non-contact communication with an external apparatus, and a control unit that controls turning ON/OFF the power supply and controls an imaging preparation operation.
- an imaging apparatus is proposed in which the control unit performs control for turning ON the power supply when a polling command that is transmitted from an external apparatus by non-contact communication is detected. After the power-supply is turned ON, the control unit transmits connection information to the external apparatus for performing a wireless communication connection with the external apparatus. When transmission of the connection information is complete, the control unit performs control so that an imaging preparation operation is performed.
- the electronic apparatus includes a wireless tag, a power-supply-control unit and a system-control unit.
- the wireless tag stores information.
- the power-supply-control unit controls a power-supply mode.
- the system-control unit instructs the power-supply-control unit to switch the power-supply mode based on the information.
- the system-control unit instructs the power-supply-control unit to switch to a normal mode based on the power-supply-mode-switch-request information.
- the system-control unit instructs the power-supply-control unit to return to the power-supply mode before the instruction.
- the non-transitory computer-readable recording medium includes a power-supply-control program executable by a computer that controls an electronic apparatus comprising a power-supply-control unit that controls a power-supply mode.
- the power-supply-control program has: a first program code that causes the computer to store information in a wireless tag; and a second program code that causes the computer to instruct the power-supply-control unit to switch the power-supply mode based on the information.
- the second program code when there is writing of power-supply-mode-switch-request information that is included in a Write request from a user-authenticated portable terminal to the wireless tag, causes the computer to instruct the power-supply-control unit to switch to a normal mode based on the power-supply-mode-switch-request information. Then, when the portable terminal is separated from the wireless tag, the third program code causes the computer to instruct the power-supply-control unit to return to the power-supply mode before the instruction.
- FIG. 1 illustrates an embodiment when the electronic apparatus according to the present disclosure is applied to an MFP.
- FIG. 2 illustrates an example of configuration of the MFP, NFC tag and portable terminal in FIG. 1 .
- FIG. 3 illustrates steps of processing on the portable terminal side in FIG. 1 .
- FIG. 4 illustrates steps of processing on the MFP side in FIG. 1 .
- an MFP Multifunction Peripheral
- a printing function for example, with a printing function, a copying function, a FAX function, a data transmitting and receiving function via a network and the like is used as an example of an electronic apparatus.
- the MFP 100 has a NFC (Near Field Communication) tag 200 as a wireless tag.
- the reference number 300 indicates a portable terminal.
- the NFC tag 200 is connected to the MFP 100 by a wired connection (serial bus such as a 12C bus or the like).
- the NFC tag 200 is wirelessly connected to the portable terminal 300 .
- Power supply-mode information that indicates the current power supply mode that is written by the MFP is written in the NFC tag 200 , for example.
- the power-supply-mode information includes contents that indicate whether the power-supply mode is a power-saving mode or power-supply OFF mode.
- password-authentication information that is included in a Read request with password authentication from the portable terminal 300
- power-supply-mode-switch-request information that is included in a Write request that is transmitted after a Read request is written, for example in the NFC tag 200 .
- the Write request may also have password authentication.
- the password-authentication information includes a user ID (identification) and a password.
- Password-authentication information may include unique information and the like about the portable terminal 300 .
- power-supply-mode-switch-request information includes contents and the like that indicate a power-saving-cancellation request, or a power-supply-ON request.
- the portable terminal 300 is equipped with an NFC application that makes possible an NFC Reader/Writer function (hereafter, referred to as an NFC function) that performs reading information that is stored in the NFC tag 200 , and writing information to the NFC tag 200 by wireless communication.
- the NFC application has password-authentication information described above that includes a user ID and password.
- the portable terminal 300 it is possible to use a smart phone, tablet, notebook computer and the like in which an NFC function can be installed.
- the MFP 100 includes a control unit 110 that controls a printer unit 101 , an I/F (interface) 102 , a panel unit 103 , and a HDD 104 .
- the MFP 100 may also include a scanner unit, a FAX unit and the like.
- the printer unit 101 is a device that prints an image on paper based on printing data that is outputted from the control unit 110 .
- the I/F 102 takes charge of communication with the NFC tag 200 .
- the I/F 102 may also take charge of communication with the portable terminal 300 via a network such as a LAN (Local Area Network) or the like.
- the I/F 102 may also take charge of communication with a content server, web server and the like.
- the panel unit 103 for example, is a device that has hardware keys and a touch panel for performing a display for the printing function, copying function, FAX function, data transmitting and receiving function via a network, and various settings of the MFP 100 .
- the HDD 104 is a storage device for storing application programs for providing the various functions of the MFP 100 .
- the HDD 104 has user boxes for storing printing jobs that are registered from a user terminal, for example.
- the control unit 110 is a processor for controlling the overall operation of the MFP 100 by executing an image forming program, a control program and the like.
- the control unit 110 includes a printer-control unit 111 , a communication-control unit 112 , a RAM 113 , an EEPROM (Electrically Erasable Programmable Read-Only Memory) 114 , an image-processing unit 115 , an authentication-management unit 116 , a power-supply-control unit 117 , a panel-operation-control unit 118 , a HDD-control unit 119 , and a system-control unit 120 . Moreover, these units are connected to a data bus 121 .
- the printer-control unit 111 controls the printing operation of the printer unit 101 .
- the communication-control unit 112 via the I/F 102 , performs control of transmitting and receiving with the NFC tag 200 and the like.
- the RAM 113 is a work memory for executing programs.
- the EEPROM 114 stores a control program for performing operation checks of each of the units and the like.
- the image-processing unit 115 for example, performs image processing (rasterization) of printing jobs that are registered in the user boxes of the HDD 104 .
- the system-control unit 120 causes printing data that has undergone image processing by the image-processing unit 115 to be stored temporarily in RAM 113 .
- the authentication-management unit 116 performs user authentication by comparing password-authentication information that includes a user ID and password, with, for example, password-authentication information that is registered in the HDD 104 .
- the power-supply-control unit 117 based on an instruction from the system-control unit 120 , switches the power supply from a normal mode to a power-saving mode or power-supply OFF mode. Moreover, the power-supply control unit 117 , based on an instruction from the system-control unit 120 , switches the power supply from the power-saving mode or power-supply-OFF mode to the normal mode.
- the power-saving mode for example, includes a low-power mode in which, when there is no operation during a set amount of time, reduces the power consumption by stopping the power supply to the panel unit 103 (for example, touch panel) and the like, a sleep mode in which the power consumption is less than in the low-power mode, and the like.
- the power-supply-OFF mode is a mode that stops supplying power to parts other than at least the system-control unit 120 of the control unit 110 .
- the normal mode is a mode in which power is supplied to each of the parts, and the functions of the MFP 100 can be used.
- the panel-operation-control unit 118 controls the display operation of the panel unit 103 .
- the panel-operation-control unit 118 via the panel unit 103 , receives the start setting and the like for printing, copying, a FAX, data transmitting and receiving via a network and the like.
- the panel-operation-control unit 118 also, via the panel unit 103 , receives a selection for the power-saving mode or power-supply-OFF mode.
- the system-control unit 120 controls linked operations of each unit. Moreover, when the power-saving mode or the power-supply-OFF mode is selected (may also be when the low-power mode or sleep mode is selected of the power-saving mode) via the panel unit 103 , the system-control unit 120 instructs the power-supply-control unit 117 to switch to the power-saving mode or power-supply-OFF mode. Moreover, when there is a Read request from the portable terminal 300 for reading the NFC tag 200 , the system-control unit 120 instructs the authentication-management unit 116 to perform user authentication of the password-authentication information that is included in the Read request.
- the system-control unit 120 acquires the current power-supply mode from the power-supply-control unit 117 , and writes that power-supply mode to the NFC tag 200 .
- the current power-supply mode indicates whether the mode is the power-saving mode or the power-supply-OFF mode.
- the system-control unit 120 instructs the power-supply-control unit 117 to switch to power-saving cancellation or power-supply ON.
- the system-control unit 120 instructs the power-supply-control unit 117 to return the mode to the power-supply mode before switching to the normal mode.
- the power-supply mode before switching to the normal mode is the low-power mode or the sleep mode
- the system-control unit 120 instructs the power-supply-control unit 117 to return to the low-power mode or sleep mode from the normal mode.
- the power-supply mode before switching to the normal mode is the power-supply-OFF mode
- the system-control unit 120 instructs the power-supply-control unit 117 to return to the power-supply-OFF mode from the normal mode.
- the NFC tag 200 includes a control unit 210 that controls the I/F 201 .
- the I/F 102 takes charge of communication with the MFP 100 .
- the control unit 210 has an antenna unit 211 and an IC chip 212 .
- the antenna unit 211 performs communication with the portable terminal 300 by using a specified frequency (for example 13.56 MHz).
- the IC chip 212 has a nonvolatile memory that stores information that is written by the MFP 100 or portable terminal 300 .
- the IC chip 212 writes information received via the I/F 201 or antenna unit 211 to the nonvolatile memory, or transmits information of the nonvolatile memory via the I/F 201 or antenna unit 211 .
- the information of the nonvolatile memory is written in a format that is defined by the NFC standard.
- the portable terminal 300 includes a control unit 310 that controls an antenna 301 and a panel unit 302 .
- the antenna 301 emits radio waves, and takes charge of communication with the NFC tag 200 and the like.
- the antenna 301 via a network, takes charge of communication with the MFP 100 , content server, web server or the like.
- the panel unit 302 is a device such as a touch panel or the like for performing selection of the various functions of the portable terminal 300 , input of characters, information display and the like.
- the control unit 310 is a processor that controls the overall operation of the portable terminal 300 by executing application programs, a control program and the like.
- the control unit 310 includes a communication-control unit 311 , a RAM 312 , an EEPROM 313 , a panel-operation-control unit 314 , and a system-control unit 315 . Moreover, these units are connected to a data bus 316 .
- the communication-control unit 311 performs control of transmission or reception of the NFC tag 200 , MFP 100 or the like via the antenna 301 .
- the RAM 312 is a work memory for executing programs.
- the EEPROM 313 stores a control program for performing operation checks and the like of each of the units.
- the EEPROM 313 also stores NFC applications and the like for realizing the NFC functions described above of reading information that is stored in an NFC tag 200 or writing information to an NFC tag 200 by wireless communication, for example.
- An NFC application has user identification information that includes a user ID and password as described above.
- the panel-operation-control unit 314 controls the display operation and the like of the panel unit 302 .
- the system-control unit 315 controls linked operation and the like of each of the units. Moreover, when the NFC function is selected via the panel unit 302 , the system-control unit 315 activates the NFC application and transmits radio waves to the communication-control unit 311 from the antenna 301 . The system-control unit 315 also, according to a Read request by the NFC application, acquires information that is written in the NFC tag 200 . Furthermore, the system-control unit 315 , according to a Write request by the NFC application, writes information to the NFC tag 200 .
- the portable terminal 300 is set in a position over the NFC tag 200 .
- a holder, hook or the like is provided around the NFC tag 200 , for example, and by setting the portable terminal 300 in that holder or on that hook, it is possible to maintain a state in which the portable terminal 300 is over the NFC tag 200 .
- the information that is written in the NFC tag 200 is the power-saving mode or power-supply-OFF mode that indicates the current power-supply mode of the MFP 100 side.
- the system-control unit 315 determines whether or not the NFC function is selected.
- the system-control unit 315 determines that the NFC function is not selected (step S 101 : NO).
- step S 101 determines that the NFC function is selected (step S 101 : YES), and processing moves to step S 102 .
- the system-control unit 315 activates the NFC function.
- the system-control unit 315 reads the NFC application that is stored in the EEPROM 313 . Moreover, the system-control unit 315 confirms the password-authentication information of the NFC application that includes a user ID and a password.
- the system-control unit 315 determines whether or not the antenna 301 is near the NFC tag 200 .
- the system-control unit 315 determines that the antenna 301 is not near the NFC tag 200 (step S 103 : NO).
- step S 103 determines that the antenna 301 is near the NFC tag 200 (step S 103 : YES), and processing moves to step S 104 .
- the communication distance between the portable terminal 300 and the NFC tag 200 is less than 10 cm, so the position where the portable terminal 300 is held over the NFC tag should be less than 10 cm.
- the system-control unit 315 may determine whether or not the portable terminal 300 is near the NFC tag 200 without using the distance sensor by whether or not a response is received from the NFC tag 200 .
- the system-control unit 315 transmits response requests at set intervals (for example, 10 second intervals) using radio waves from the antenna 301 to the communication-control unit 311 for checking the wireless communication connection.
- the system-control unit 315 may determine that the portable terminal 300 is near the NFC tag 200 when a response is received from the NFC tag 200 .
- determining whether or not the antenna 301 is near the NFC tag 200 can be performed using a known method for near-field wireless communication.
- the system-control unit 315 transmits a Read request.
- the system-control unit 315 using radio waves from the antenna 301 , transmits a Read request that includes password-authentication information to the communication-control unit 311 .
- the system-control unit 315 determines whether or not information is received.
- the system-control unit 315 determines that information is not received (step S 105 : NO).
- step S 105 determines that information is received (step S 105 : YES), and processing moves to step S 106 .
- the information that is written in the NFC tag 200 indicates the power-saving mode or power-supply-OFF mode as the current power-supply mode on the MFP 100 side described above.
- the system-control unit 315 determines whether or not the power-supply mode is the power-saving mode.
- the system-control unit 315 determines that the power-supply mode is the power-saving mode (step S 106 ; YES), and processing moves to step S 107 .
- step S 106 determines that the power-supply mode is not the power-saving mode (step S 106 : NO), and processing moves to step S 108 .
- the system-control unit 315 causes a Write request that includes a power-saving-cancellation request to be transmitted.
- the system-control unit 315 causes the communication-control unit 311 to transmit a Write request that includes a power-saving-cancellation request using radio waves from the antenna 301 .
- Password-authentication information may also be included in the Write request that includes a power-saving-cancellation request.
- the system-control unit 315 causes a Write request that includes a power-supply-ON request to be transmitted.
- the system-control unit 315 causes the communication-control unit 311 to transmit a Write request that includes a power-supply-ON request using radio waves from the antenna 301 .
- Password-authentication information may also be included in the Write request that includes a power-supply-ON request.
- the system-control unit 315 determines whether or not the portable terminal 300 is separated from the NFC tag 200 .
- the system-control unit 315 determines that the portable terminal 300 is not separated from the NFC tag 200 (step S 109 : NO).
- the system-control unit 315 determines that the portable terminal 300 is separated from the NFC tag 200 (step S 109 : YES), and processing moves to step S 110 .
- a set value for example, 10 cm or greater
- the system-control unit 315 determines whether or not a set amount of time has elapsed.
- the system control unit 315 determines that a set amount of time has not elapsed (step S 110 : NO).
- the system control unit 315 determines that a set amount of time has elapsed (step S 110 : YES), and processing ends.
- the system-control unit 315 ends processing after a set amount of time has elapsed from when it is determined that the portable terminal 300 is separated from the NFC tag 200 .
- the system-control unit 315 ends processing after a set amount of time has elapsed from when it is determined that the portable terminal 300 is separated from the NFC tag 200 .
- step S 107 or step S 108 the system-control unit 315 causes a Write request that includes a power-saving-cancellation request or a power-supply-ON request to be transmitted, however, it is possible to add an activation-mode request to the power-saving-cancellation request or power-supply-ON request.
- the activation-mode request for example, there are contents that give instruction to display a setting screen for checking settings or changing settings of the MFP 100 .
- the portable terminal 300 is set in a position over the NFC tag 200 using a holder or hook that is provided in a position surrounding the NFC tag 200 in a state so that wireless communication with the NFC tag 200 is possible.
- the system-control unit 120 determines whether or not there is a Read request.
- step S 201 when the communication-control unit 112 has not received a notification signal from the NFC tag 200 that notifies when a state change occurs, the system control unit 120 determines that there is no Read request (step S 201 : NO).
- step S 201 YES
- a state change of the NFC tag 200 means that reading or writing information via the antenna unit 211 has occurred.
- the NFC tag 200 may output a notification signal to the MFP 100 .
- the IC chip 212 of the NFC tag 200 causes password-authentication information that includes a user ID and a password that is included in the Read request to be stored in the non-volatile memory.
- the system-control unit 120 determines whether or not user authentication was successful.
- the system-control unit 120 reads password-authentication information that includes a user ID and password that is written in the NFC tag 200 , and instructs the authentication-management unit 116 to perform user authentication. At this time, the authentication-management unit 116 performs user authentication by comparing the password-authentication information that is received from the system-control unit 120 and password-authentication information that is registered in the HDD 104 , for example.
- step S 202 determines that user authentication is successful (step S 202 : YES), and processing moves to step S 203 .
- the system-control unit 120 determines that user authentication is not successful (step S 202 : NO), and processing ends. In this case, the system-control unit 120 may instruct the panel-operation-control unit 118 to display a warning on the panel unit 103 that user authentication is failure.
- the system-control unit 120 acquires the current power-supply mode.
- the system-control unit 120 acquires from the power-supply-control unit 117 whether the current power-supply mode is the power-saving mode or the power-supply-OFF mode.
- the system-control unit 120 writes the power-supply-mode information that corresponds to the acquired power-supply mode to the NFC tag 200 .
- the system-control unit 120 when the power-supply mode that is acquired from the power-supply-control unit 117 is the power-saving mode, the system-control unit 120 writes power-supply-mode information to the NFC tag 200 that indicates that the power-supply mode is the power-saving mode. However, when the power-supply mode that is acquired from the power-supply-control unit 117 is the power-supply-OFF mode, the system-control unit 120 writes power-supply-mode information to the NFC tag 200 that indicates that the power-supply mode is the power-supply-OFF mode.
- the system-control unit 120 determines whether or not there is a Write request.
- step S 205 when the communication-control unit 112 has not received a notification signal from the NFC tag 200 that notifies when a state change occurs, the system-control unit 120 determines that there is no Write request (step S 205 : NO).
- step S 205 YES
- the system-control unit 120 may determine whether or not there is a Write request by determining whether or not information is written to the NFC tag 200 at set intervals (for example, 10-second intervals) when there is a Read request for the NFC tag 200 in step S 201 .
- the system-control unit 120 determines whether or not there is a power-saving-cancellation request.
- step S 206 when the system-control unit 120 reads information that is written in the NFC tag 200 and that information is contents that indicate a power-saving-cancellation request, the system-control unit 120 determines that the information is a power-saving-cancellation request (step S 206 : YES), and processing moves to step S 207 .
- step S 206 NO
- processing moves to step S 208 .
- the system-control unit 120 instructs power-saving return.
- system-control unit 120 instructs the power-supply-control unit 117 to switch to power-saving return.
- the power-supply-control unit 117 switches from the current power-saving mode to the normal mode.
- the system-control unit 120 instructs Power-supply ON.
- system-control unit 120 instructs the power-supply-control unit 117 to switch to power-supply ON.
- the power-supply-control unit 117 switches from the current power-supply-OFF mode to the normal mode.
- the system-control unit 120 determines whether or not radio waves are received.
- the system-control unit 120 via the communication-control unit 112 , checks the state of the NFC tag 200 at set intervals (for example, 10-second intervals), and the IC chip 212 is in an active state, the system-control unit 120 determines that the NFC tag 200 is receiving radio waves (step S 209 : YES).
- step S 209 when the system-control unit 120 , via the communication-control unit 112 , checks the state of the NFC tag 200 at set intervals (for example, 10-second intervals), and the IC chip 212 is not in an active state, the system-control unit 120 determines that the NFC tag 200 is not receiving radio waves (step S 209 : NO). Then, processing moves to step S 210 .
- set intervals for example, 10-second intervals
- processing moves to step S 210 .
- the NFC tag 200 operates using radio waves from the portable terminal 300 as an energy source, so when the portable terminal 300 is set at a position over the NFC tag 200 , the NFC tag 200 is able to receive radio waves that are constantly transmitted from the portable terminal 300 .
- the system-control unit 120 continues the determination process in step S 209 , so it possible to maintain the normal mode of the power-supply control unit 117 .
- the portable terminal 300 is set at a position over the NFC tag 200 , it is possible to use the MFP 100 .
- the NFC tag 200 may output a notification signal via the I/F 201 .
- This state change accompanies the response for checking the connection of wireless communication that is transmitted at a set interval (for example, 10-second interval) described above from the portable terminal 300 .
- the system-control unit 120 can determine that radio waves are being received by checking that notification signal.
- the system-control unit 120 determines whether or not a set amount of time has elapsed.
- the system-control unit 120 determines that a set amount of time has not elapsed (step S 210 : NO).
- step S 210 determines that a set amount of time has elapsed (step S 210 : YES), and processing moves to step S 211 .
- the system-control unit 120 determines whether or not a set amount of time has elapsed from when it is determined that the NFC tag 200 is not receiving radio waves. Therefore, it is possible to avoid an interruption in processing even when the portable terminal 300 is mistakenly separated from the NFC tag 200 and then the portable terminal 300 is quickly returned to a position over the NFC tag 200 .
- the system-control unit 120 gives an instruction to return to the power-supply mode before the instruction in step S 207 or step S 208 .
- step S 207 when a power-saving return instruction is given to the power-supply control unit 117 in step S 207 , the system-control unit 120 instructs the power-supply-control unit 117 to return to the power-saving mode.
- the power-supply-control unit 117 switches to the power-saving mode.
- step S 208 when a power-supply-ON instruction is given to the power-supply control unit 117 in step S 208 , the system-control unit 120 instructs the power-supply-control unit 117 to return to the power-supply-OFF mode.
- the power-supply-control unit 117 switches to the power-supply OFF mode.
- the system-control unit 120 may store the contents of the power-supply mode that is acquired from the power-supply-control unit 117 in step S 203 in the RAM 113 , and may acquire the previous power-supply mode from the contents of the power-supply mode that is stored in the RAM 113 .
- the system-control unit 120 may acquire the previous power-supply mode from power-supply-mode information that is written in the NFC tag 200 .
- the system-control unit 120 instructs the power-supply-control unit 117 to switch to the normal mode based on the power-supply-mode-switch-request information. Then, when the portable terminal 300 is separated from the NFC tag 200 (wireless tag), the system-control unit 120 instructs the power-supply control unit 117 to return to the power-supply mode before the instruction.
- the portable terminal 300 comes close to the NFC tag 200 (wireless tag)
- the power-supply-control unit 117 switching to the normal mode it becomes possible to use the MFP 100 (electronic apparatus).
- the portable terminal 300 is separated from the NFC tag 200 (wireless tag)
- the power-supply-control unit 117 returns from the normal mode to the power-supply mode before the instruction, so it becomes impossible to use the MFP 100 (electronic apparatus).
- it is possible to prevent improper use by a third party and it is possible to prevent leaking of confidential documents that are stored in the HDD 104 (storage device).
- the system-control unit 120 may perform the processing in steps S 203 to S 204 illustrated in FIG. 4 after step S 211 when the power-supply-control unit 117 returns to the power-supply mode before the instruction in step S 207 or step S 208 .
- the portable terminal 300 when the portable terminal 300 is set at a position over the NFC tag 200 , the time for switching the power-supply mode of the MFP 100 to the normal mode can be shortened more than in the processing illustrated in FIG. 4 .
- system-control unit 120 may instruct the power-supply-control unit 117 to switch to power-saving cancellation or power-supply ON only by a power-saving-cancellation request or power-supply-ON request that is included in a Write request from the portable terminal 300 to the NFC tag 200 .
- the system-control unit 120 may write the power-supply-mode information for the power-supply mode after switching in the NFC tag 200 .
- the power-saving mode made also be set beforehand to a low-power mode or sleep mode.
- system-control unit 120 may instruct the power-supply-control unit 117 to switch from the normal mode to the power-saving mode when there is a no-operation state for a set amount of time, and further instruct the power-supply-control unit 117 to switch to the power-supply-OFF mode when the no-operation state continues for a set amount of time.
- the system-control unit 120 may also instruct the power-supply-control unit 117 to switch from the normal mode to the low-power mode when there is a no-operation state for a set amount of time. Moreover, the system-control unit 120 may further instruct the power-supply-control unit 117 to switch to the sleep mode when the no-operation state continues for another set amount of time. Furthermore, the system-control unit 120 may further instruct the power-supply-control unit 117 to switch to the power-supply-OFF mode when the no-operation state continues for yet another set amount of time.
- the power supply of a digital camera as the imaging apparatus may be controlled to automatically turn ON by non-contact communication between a wireless tag that is mounted on the digital camera and a portable terminal such as a smart phone or the like as an external apparatus.
- an electronic apparatus according to the present disclosure is applied to a MFP 100
- the embodiment is not limited to a MFP 100 , and it is possible to apply the electronic apparatus to another image forming apparatus such as a printer or multifunctional printer and the like, or to an information apparatus such as a PC (personal computer) and the like.
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- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computing Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
Description
Claims (5)
Applications Claiming Priority (2)
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JP2016-219702 | 2016-11-10 | ||
JP2016219702A JP6680186B2 (en) | 2016-11-10 | 2016-11-10 | Electronic equipment and power control program |
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US20180131409A1 US20180131409A1 (en) | 2018-05-10 |
US10432265B2 true US10432265B2 (en) | 2019-10-01 |
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US15/810,004 Expired - Fee Related US10432265B2 (en) | 2016-11-10 | 2017-11-10 | Electronic apparatus and non-transitory computer-readable recording medium for power supply control |
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EP (1) | EP3322205B1 (en) |
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US20180278608A1 (en) * | 2017-03-24 | 2018-09-27 | Fuji Xerox Co., Ltd. | Terminal management apparatus, terminal management system, and non-transitory computer readable medium |
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JP7395938B2 (en) * | 2019-10-09 | 2023-12-12 | 富士フイルムビジネスイノベーション株式会社 | Information processing device, information processing system and program |
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Also Published As
Publication number | Publication date |
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JP6680186B2 (en) | 2020-04-15 |
CN108076246B (en) | 2019-09-03 |
US20180131409A1 (en) | 2018-05-10 |
EP3322205B1 (en) | 2020-02-26 |
JP2018075790A (en) | 2018-05-17 |
CN108076246A (en) | 2018-05-25 |
EP3322205A1 (en) | 2018-05-16 |
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